[INFO] cloning repository https://github.com/ryanjackgit/distributedlock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanjackgit/distributedlock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanjackgit%2Fdistributedlock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanjackgit%2Fdistributedlock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a024f4b362bbb31c3f87d6debf2b7d267749485
[INFO] testing ryanjackgit/distributedlock against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanjackgit%2Fdistributedlock" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryanjackgit/distributedlock on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryanjackgit/distributedlock
[INFO] finished tweaking git repo https://github.com/ryanjackgit/distributedlock
[INFO] tweaked toml for git repo https://github.com/ryanjackgit/distributedlock written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanjackgit/distributedlock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12dcd250a14644b0409d3f7fcbcc1342d9d85c63b25b6330febbc9789944957d
[INFO] running `Command { std: "docker" "start" "-a" "12dcd250a14644b0409d3f7fcbcc1342d9d85c63b25b6330febbc9789944957d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12dcd250a14644b0409d3f7fcbcc1342d9d85c63b25b6330febbc9789944957d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12dcd250a14644b0409d3f7fcbcc1342d9d85c63b25b6330febbc9789944957d", kill_on_drop: false }`
[INFO] [stdout] 12dcd250a14644b0409d3f7fcbcc1342d9d85c63b25b6330febbc9789944957d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a322a543f99727ebadff3bb600b34cab79b0bc71c62cea705e6a0a1f3b1c7c6c
[INFO] running `Command { std: "docker" "start" "-a" "a322a543f99727ebadff3bb600b34cab79b0bc71c62cea705e6a0a1f3b1c7c6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.23
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tracing v0.1.32
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.9
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling num_enum v0.5.7
[INFO] [stderr]    Compiling zookeeper-async v4.1.0
[INFO] [stderr]    Compiling distributelock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]   --> src/main.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing::{debug,info,warn,error};
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `distributelock` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a322a543f99727ebadff3bb600b34cab79b0bc71c62cea705e6a0a1f3b1c7c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a322a543f99727ebadff3bb600b34cab79b0bc71c62cea705e6a0a1f3b1c7c6c", kill_on_drop: false }`
[INFO] [stdout] a322a543f99727ebadff3bb600b34cab79b0bc71c62cea705e6a0a1f3b1c7c6c